<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width,initial-scale=1.0">
 <title>this显式绑定实验</title>
</head>
<body>
    <script>
    var obj = {
 name: "gkd"
};
function foo() {
 console.log("foo函数:", this);
}
// obj.foo = foo;
// obj.foo();
foo.call(obj); // 使⽤显式绑定this为obj
foo.call(123); // 将this显式绑定为⼀个数字
foo.call("abc"); // 将this显式绑定为⼀个字符串
    </script>
   </body>
   </html>
   